#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main() 
{
	int arr1[5] = { 1,2,3,4,5 };
	int sum = arr1[0] + arr1[2] + arr1[4];
	printf("%d\n%",sum);
	arr1[4] = 10;
	printf("%d\n", arr1[4]);
	return 0;
}